﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace SilverLightApp
{
  public partial class App : Application
  {
    public App()
    {
      this.Startup += this.Application_Startup;
      this.Exit += this.Application_Exit;
      this.UnhandledException += this.Application_UnhandledException;

      InitializeComponent();
    }

    Grid mainUI = new Grid();

    private void Application_Startup(object sender, StartupEventArgs e)
    {
      this.RootVisual = mainUI;
      if (e.InitParams.ContainsKey("ControlId"))
      {
        //this.RootVisual = new CauseProgression();
        switch (e.InitParams["ControlId"])
        {
          case "MainPage":
            //this.RootVisual = new MainPage();
            mainUI.Children.Add(new MainPage());
            break;
          case "MalevsFemale":
            //this.RootVisual = new MaleVsFemale();
            mainUI.Children.Add(new MaleVsFemale());
            break;
          case "Progression":
            mainUI.Children.Add(new CauseProgression());
            break;
          case "TopAfflicted":
            mainUI.Children.Add(new TopCountriesAfflicted());
            break;
        }
      }
    }

    //public void LoadGraph(UserControl uc)
    //{
    //  App app = (App)Application.Current;
    //  // Remove the displayed page
    //  app.mainUI.Children[1].Visibility = Visibility.Collapsed;
    //  // Show the next page
    //  app.mainUI.Children.Add(uc);
    //}

    private void Application_Exit(object sender, EventArgs e)
    {

    }

    private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
    {
      // If the app is running outside of the debugger then report the exception using
      // the browser's exception mechanism. On IE this will display it a yellow alert 
      // icon in the status bar and Firefox will display a script error.
      if (!System.Diagnostics.Debugger.IsAttached)
      {

        // NOTE: This will allow the application to continue running after an exception has been thrown
        // but not handled. 
        // For production applications this error handling should be replaced with something that will 
        // report the error to the website and stop the application.
        e.Handled = true;
        Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
      }
    }

    private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e)
    {
      try
      {
        string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
        errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

        System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");");
      }
      catch (Exception)
      {
      }
    }
  }
}
